443225133 has 12 divisors (see below), whose sum is σ = 689461500. Its totient is φ = 272753856.

The previous prime is 443225131. The next prime is 443225143. The reversal of 443225133 is 331522344.

It can be written as a sum of positive squares in 2 ways, for example, as 272844324 + 170380809 = 16518^2 + 13053^2 .

It is not a de Polignac number, because 443225133 - 2¹ = 443225131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 443225097 and 443225106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443225131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1894008 + ... + 1894241.

It is an arithmetic number, because the mean of its divisors is an integer number (57455125).

Almost surely, 2^443225133 is an apocalyptic number.

It is an amenable number.

443225133 is a deficient number, since it is larger than the sum of its proper divisors (246236367).

443225133 is a wasteful number, since it uses less digits than its factorization.

443225133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3788268 (or 3788265 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 443225133 is about 21052.9126963468. The cubic root of 443225133 is about 762.4443076049. Note that the first 3 decimals are identical.

Adding to 443225133 its reverse (331522344), we get a palindrome (774747477).

It can be divided in two parts, 44322 and 5133, that added together give a triangular number (49455 = T₃₁₄).

The spelling of 443225133 in words is "four hundred forty-three million, two hundred twenty-five thousand, one hundred thirty-three".